1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jolli1 [7]
3 years ago
15

Two plane mirrors intersect at right angles. a laser beam strikes the first of them at a point 11.5 cm from their point of inter

section, as shown in fig. e33.1 for what angle of incidence at the first mirror will this ray strike the midpoint of the second mirror (which is 28.0 cm long) after reflecting from the first mirror?
Mathematics
1 answer:
bagirrra123 [75]3 years ago
8 0
The angle measured from the normal to the mirror will be
.. arctan(14/11.5) ≈ 50.6°
You might be interested in
A Web music store offers two versions of a popular song. The size of the standard version is 2.9 megabytes (MB). The size of the
Novosadov [1.4K]
<span>There were 260 downloads of the HQ version</span>
3 0
3 years ago
If angle a=11* what does angle be equal
olya-2409 [2.1K]
What type of shape is it, are any other angles given?
4 0
3 years ago
Read 2 more answers
What Is the value of c-1=8
harina [27]
This is the equation:

c - 1 = 8
c = 8 + 1 
c = 9


Hope it helped,

Happy homework/ study/ exam!
6 0
3 years ago
Read 2 more answers
An old nickel has doubled in value each decade. What is the value of the coin after 10 decades?
Lubov Fominskaja [6]

Answer:

100

Step-by-step explanation:

10 x 10

8 0
3 years ago
Jacob ate 21 Chips Ahoy cookies in 1 hour and Bryant ate 25 Chips Ahoy cookies in the same time. At this rate, how many whole co
Alja [10]

Answer:

55 cookies in 80 mins

Step-by-step explanation:

1 hour has 60 mins

so 25/60=0.417

0.417/3=0.139

0.139x4=0.556

so he can eat 55 cookies in 80 mins

3 0
4 years ago
Other questions:
  • What is .08 divided by .0094
    10·2 answers
  • If x= 12 and y=3, what is the value of x-y²?​
    6·2 answers
  • if each strawberry in the example above cost .25,and this is the only possible answer to the questionyou created above,then(.25)
    9·1 answer
  • Is the centre of a circle always equal distance from all points on the circumference? and why
    8·1 answer
  • I need help solving this
    11·2 answers
  • 10. Determine the equation of a horizontal line that passes through (4,7).
    15·1 answer
  • In a right triangle, the hypotenuse has endpoints XY, shown on the graph. On a coordinate plane, line X Y has points (negative 4
    14·2 answers
  • Combine like terms:<br> 3x - 5y - 2x + 3 + 8y + 10
    9·2 answers
  • Hello if you can please explain.
    15·1 answer
  • I need help please...
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!